chore: Sets up store for teams settings page (#1727)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/javascript/dashboard/api/teams.js

@@ -0,0 +1,20 @@
+/* global axios */
+import ApiClient from './ApiClient';
+
+export class TeamsAPI extends ApiClient {
+  constructor() {
+    super('teams', { accountScoped: true });
+  }
+
+  getAgents({ teamId }) {
+    return axios.get(`${this.url}/${teamId}/team_members`);
+  }
+
+  addAgents({ teamId, agentsList }) {
+    return axios.post(`${this.url}/${teamId}/team_members`, {
+      user_ids: agentsList,
+    });
+  }
+}
+
+export default new TeamsAPI();